Home / 6,368.20-9,538.45-3,895.54

Finding the Fourth Proportional to 6,368.20, 9,538.45 and 3,895.54

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Solution

The fourth proportional to 6,368.20, 9,538.45 and 3,895.54 is: 5,834.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368.20 : 9,538.45 = 3,895.54 : x
  2. Step 2: Convert to fraction form
    6,368.20/9,538.45 = 3,895.54/x
  3. Step 3: Cross multiply
    6,368.20x = 9,538.45 × 3,895.54
  4. Step 4: Simplify right side
    6,368.20x = 37,157,413.51
  5. Step 5: Solve for x
    x = 37,157,413.51/6,368.20
  6. Step 6: Final answer
    x = 5,834.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.